<template>
  <div
    v-if="isExternal"
    :style="styleExternalIcon"
    class="svg-external-icon svg-icon"
    v-on="$attrs"
  />
  <svg v-else :class="svgClass" aria-hidden="true" v-on="$attrs">
    <use :xlink:href="iconName" />
  </svg>
</template>

<script setup lang="ts">
/**
 * <svg-icon
    font-size="14px"
    icon-class="add_data"
   />
 */
import { computed } from 'vue'

function isExternalFn(path: string) {
  return /^(https?:|mailto:|tel:)/.test(path)
}

interface Props {
  iconClass: string
  className?: string
}

const props = withDefaults(defineProps<Props>(), {
  className: ''
})

const isExternal = computed(() => {
  return isExternalFn(props.iconClass)
})

const iconName = computed(() => {
  return `#icon-${props.iconClass}`
})

const svgClass = computed(() => {
  if (props.className) {
    return `svg-icon ${props.className} icon-${props.iconClass}`
  }
  return `svg-icon icon-svg-${props.iconClass}`
})

const styleExternalIcon = computed(() => {
  return {
    mask: `url(${props.iconClass}) no-repeat 50% 50%`,
    '-webkit-mask': `url(${props.iconClass}) no-repeat 50% 50%`
  }
})
</script>

<style scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover !important;
  display: inline-block;
}
</style>
